Exams
Subjects
Classes
Home
Exams
Mathematics
Trigonometric Equations
number of solutions of th...
Question:
medium
Number of solutions of the equation \[ \sin\theta+\sin3\theta+\sin5\theta=0 \] in \([-\pi,\pi]\) is
Show Hint
Always try pairing sine terms to reduce expression order.
TS EAMCET - 2026
TS EAMCET
Updated On:
Jun 22, 2026
5
7
9
11 \bigskip
Show Solution
The Correct Option is
C
Solution and Explanation
Download Solution in PDF
Was this answer helpful?
0
Top Questions on Trigonometric Equations
Which of the following expressions represents the Principal Solution
MHT CET - 2025
Mathematics
Trigonometric Equations
View Solution
Principal Solution of $ (5 \sin \theta)(2 \cos \theta + 1) = 0 $
MHT CET - 2025
Mathematics
Trigonometric Equations
View Solution
The number of solution of the equation
\(4sin^2 x-4cos^3 x+9-4cos x = 0\)
,
\(x ∈ [-2\pi, 2\pi]\)
JEE Main - 2024
Mathematics
Trigonometric Equations
View Solution
The number of solution of equation
\(e^{sinx} - 2e ^{-sinx} = 2\)
is
JEE Main - 2024
Mathematics
Trigonometric Equations
View Solution
Want to practice more? Try solving extra ecology questions today
View All Questions
Questions Asked in TS EAMCET exam
If \( f(x)=\tan \left(\frac{\pi}{\sqrt{x+1}+4}\right) \) is a real valued function then the range of \( f \) is
TS EAMCET - 2025
Algebra
View Solution
The range of the real valued function \( f(x)=\sin ^{-1}\left(\sqrt{x^{2}+x+1}\right) \) is
TS EAMCET - 2025
Algebra
View Solution
1+(1+3)+(1+3+5)+(1+3+5+7)+... to 10 terms =
TS EAMCET - 2025
Algebra
View Solution
If the augmented matrix corresponding to the system of equations \( x+y-z=1 \), \( 2x+4y-z=0 \) and \( 3x+4y+5z=18 \) is transformed to \( \begin{bmatrix} 1 & a & 0 & -1 \\ 0 & 2 & 1 & b \\ 0 & 0 & c & 32 \end{bmatrix} \), then
TS EAMCET - 2025
Algebra
View Solution
If \( \begin{vmatrix} 9 & 25 & 16 \\ 16 & 36 & 25 \\ 25 & 49 & 36 \end{vmatrix} = K \), then \( K, K+1 \) are the roots of the equation
TS EAMCET - 2025
Algebra
View Solution